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    Union County, NJ Office Spaces for Lease

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    134 properties
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    Mixed-Use Retail and Office Building
    Updated: Jul 17
    Mixed-Use Retail and Office Building

    978 St Georges Avenue, Rahway, NJ 07065

    Contact for pricing
    0.16 AC lot
    1,150 sq ft of first‑floor retail space available for lease
    2,950 sq ft of second‑floor office space available for lease
    Property is in Rahway on a main road
    Parking available with on‑street and alley options
    Built in 1920
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    Updated Office Units
    Updated: Aug 14
    Updated Office Units

    917 Mountain Ave, Mountainside, NJ 07092

    $3,600/Mo
    2,328 sqft
    Approximately 2,328 square feet across Suites 1 and 2
    Six private offices with two conference and reception areas
    Kitchenette, lobby, storage, and two private bathrooms
    New flooring throughout the office space
    Building constructed in 1985
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    Updated Office Suite
    Updated Office Suite

    917 Mountain Avenue, Suite 2, Mountainside, NJ 07092

    $1,680/Mo
    1,339 sqft

    Two private offices, meeting space, kitchenette, private bathroom, and onsite parking support a practical professional workspace.

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    Renovated Second-Floor Office Suite
    Renovated Second-Floor Office Suite

    190 North Ave, Cranford, NJ 07016

    $5,500/Mo
    2,000 sqft

    Second-floor professional suite offers five offices, a conference room, and workstations with elevator access and central HVAC.

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    Updated Four-Office Suite
    Updated Four-Office Suite

    917 Mountain Avenue, Suite 1, Mountainside, NJ 07092

    $1,725/Mo
    1,185 sqft

    Fresh finishes, a private bathroom, and onsite parking support a flexible professional office layout.

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    Professional Office Suite with Flexible Layout
    Professional Office Suite with Flexible Layout

    283 N BROAD St, Elizabeth, NJ 07208

    $2,600/Mo
    2,600 sqft

    Flexible suite with private offices, conference space, and reception, positioned near major transit for convenient client and employee access.

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    Office Unit with Full Basement
    Office Unit with Full Basement

    1761 E 2Nd St, Scotch Plains, NJ 07076

    $1,600/Mo
    1,300 sqft

    Large commercial workspace with dedicated lower-level storage and an existing electrical contractor layout.

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    Front-Facing Medical Office Suite
    Front-Facing Medical Office Suite

    721 N Wood Ave, Linden, NJ 07036

    $1,800/Mo
    735 sqft

    Front-facing suite with multiple rooms and assigned back-lot parking for client-facing professional and wellness uses.

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    Summit City Office Space Available
    Summit City Office Space Available

    358 Springfield Ave, Summit, NJ 07901

    $4,000/Mo
    3,396 sqft

    Office space available for rent in Summit City.

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    Downtown Westfield Office Space Available
    Downtown Westfield Office Space Available

    220 Lenox Ave, Westfield, NJ 07090

    $3,500/Mo
    6,000 sqft

    Top floor office unit in downtown Westfield for rent.

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    Downtown Westfield Office Space
    Downtown Westfield Office Space

    9 Elm St, Westfield, NJ 07090

    $2,500/Mo
    1,500 sqft

    1,500 SF office space in downtown Westfield.

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    Medical Office Space For Lease
    Medical Office Space For Lease

    25 Morris Avenue, Springfield, NJ 07081

    $35 SF/Yr
    5,200 sqft 0.20 AC lot

    Freestanding medical office built in 1985, positioned on a commercial-zoned lot with reported 26,695 traffic count.

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    Office Space with Three Private Offices
    Office Space with Three Private Offices

    110 Hillside Ave, Springfield, NJ 07081

    $1,500/Mo
    1,300 sqft

    Well-kept office suite with private offices, conference space, and utilities included for straightforward monthly occupancy.

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    Downtown Westfield Office Space Available
    Downtown Westfield Office Space Available

    220 Lenox Ave, Westfield, NJ 07090

    $3,500/Mo
    1,000 sqft 0.25 AC lot

    Approximately 1,000 SF office space for rent in Westfield.

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    Springfield Office Space for Lease
    Springfield Office Space for Lease

    100 Morris Ave, Springfield, NJ 07081

    $3,900/Mo
    1,950 sqft 1.30 AC lot

    1,950 sq. ft. office space in Springfield, NJ.

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    Downtown Cranford Landmark Office Space
    Downtown Cranford Landmark Office Space

    2 North Avenue, Cranford, NJ 07016

    $25 SF/Yr
    15,000 sqft

    Office space for lease in downtown Cranford landmark building.

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    Spacious Office Suite For Rent
    Spacious Office Suite For Rent

    45 River Rd, Summit, NJ 07901

    $1,975/Mo
    780 sqft 0.25 AC lot

    Bright, four-room office suite with parking included.

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    Prime Medical Space Available
    Prime Medical Space Available

    1801 E 2nd St, Scotch Plains, NJ 07076

    $22 SF/Yr
    6,000 sqft 0.34 AC lot

    6,000 SF medical space with subdivision potential.

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    Medical/Office Building For Lease
    Medical/Office Building For Lease

    228-230 West Jersey Street, Elizabeth, NJ 07202

    $25 SF/Yr
    21,816 sqft

    Four-story medical/office building in established neighborhood near Trinitas Regional Medical Center.

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    Medical Office Suite with Exam Rooms
    Medical Office Suite with Exam Rooms

    2502 Grier Ave, Linden, NJ 07036

    $2,500/Mo

    Existing reception, treatment, private office, and staff areas support a range of professional healthcare practices.

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    Second-Floor Office Unit
    Second-Floor Office Unit

    911 Elizabeth Ave, Elizabeth, NJ 07201

    $1,300/Mo

    Move-in-ready professional suite with private office, bathroom, and kitchenette in an efficient commercial layout.

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    Medical Office Space For Rent
    Medical Office Space For Rent

    590 Westfield Ave, Westfield, NJ 07090

    $30 SF/Yr
    16,000 sqft 0.57 AC lot

    2,200 SF medical office with examination rooms and parking.

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    Private Office Suite with Parking
    Private Office Suite with Parking

    990 Raritan Rd, Clark, NJ 07066

    $1,750/Mo

    A private, corner-set office suite with kitchenette, private bath, and dedicated parking for immediate occupancy.

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    Union County, NJ Office Spaces Market Trends and Statistics

    Explore Office Spaces leasing options in Union County, NJ with 134 listings featured on our commercial real estate exchange. The current inventory includes 736,725 square feet of properties with an estimated lease value of $687.98.

    Estimated lease rates for Office Spaces in Union County, NJ begin at $7 SF/Yr, with an average of $24.57 SF/Yr and extend to $77.08 SF/Yr.
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    Featured Union County Real Estate Agencies

    Realmo connects you with licensed Union County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    Better Homes and Gardens RE Elite
    181 North Ave East Cranford, NJ 07016
    Phone: 19083168530
    coldwell banker liberty
    67 ELMORA AVE Elizabeth, NJ 07202
    Phone: 19085271711
    www.homesliberty.com
    Century 21 Real Estate Group
    1824 Front Scotch Plains, NJ 07076
    Phone: 19083222901
    www.century21realestategroupnj.com

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